20856002110

素因数分解:

$2^1\times 5^1\times {\mathrm{10631}}^1\times {\mathrm{196181}}^1$

素因数の和:206819

約数の個数: 16

約数和(自身を含む): 37544526432

約数和(自身を除く): 16688524322

約数列:

[1, 2, 5, 10, 10631, 21262, 53155, 106310, 196181, 392362, 980905, 1961810, 2085600211, 4171200422, 10428001055, 20856002110]

約数ペア:

[(1, 20856002110), (2, 10428001055), (5, 4171200422), (10, 2085600211), (10631, 1961810), (21262, 980905), (53155, 392362), (106310, 196181)]